GMS.Lasso               Generalized Mass Spectrum missing peaks
                        imputation with Two-Step Lasso as default
                        algorithm
MAR.est                 Missing At Random (MAR) proportion estimation
                        based on technical replicates.
TS.Lasso                Two-Step Lasso for missing peaks imputation
missing.sim             Missing peaks generating procedure for
                        simulation study
replicates              Raw mass spectrum proteomics log abundance for
                        4 pairs of technical replicates.
tcga.bc                 Raw mass spectrum metabolomics data for TCGA
                        breast cancer study.
tcga.bc.full            A subset of mass spectrum metabolomics data for
                        TCGA breast cancer study without missing peaks.
